Resuggesting! Thank you to Shuffle for providing the info for the new sales and letting me know of the better range!

Item 1

https://backpack.tf/item/11091090853

Sale #1

Bulk sale or transfer?-

Seller: https://backpack.tf/profiles/76561198378431866#!/compare/1699228800/1699315200

Buyer: https://backpack.tf/profiles/76561199467915660#!/compare/1699228800/1699315200

Sale #2

Bulk dump-

Seller: https://backpack.tf/profiles/76561199467915660#!/compare/1699401600/1699488000

Buyer: https://backpack.tf/profiles/76561199110809353#!/compare/1699401600/1699488000

Sale #3

Sold for 34 keys (keys in the bulk match histories)-

Seller: https://backpack.tf/profiles/76561199110809353#!/compare/1700524800/1700611200

Buyer: https://backpack.tf/profiles/76561198065927956#!/compare/1700611200/1700784000

Sale #4

Sold for 52 keys (ID "13868923706" of the unusual matches)-

Seller: https://backpack.tf/profiles/76561198065927956#!/compare/1701388800/1701648000

Buyer: https://backpack.tf/profiles/76561198387113820#!/compare/1701648000/1701734400

Item 2

https://backpack.tf/item/11001521589

Ignoring the Zagii and OJ trades given that they probably were gambled

Sale #5

Bulk sale-

Seller: https://backpack.tf/profiles/76561198049884052#!/compare/1697587200/1697673600

Buyer: https://backpack.tf/profiles/76561198049469629#!/compare/1697587200/1697673600

Sale #6

Gambled probably-

Seller: https://backpack.tf/profiles/76561198049469629#!/compare/1698019200/1698105600

Buyer: https://backpack.tf/profiles/76561199245733895#!/compare/1698019200/1698105600

Sale #7

Gambled?-

Seller: https://backpack.tf/profiles/76561199161916038#!/compare/1699401600/1699488000

Buyer: https://backpack.tf/profiles/76561198028820011#!/compare/1699401600/1699488000

Sale #8

Gambled?-

Seller: https://backpack.tf/profiles/76561198028820011#!/compare/1699401600/1699488000

Buyer: https://backpack.tf/profiles/76561199074285139#!/compare/1699401600/1699488000

Sale #9

Untraceable dump-

Seller: https://backpack.tf/profiles/76561198063179541#!/compare/1699920000/1700092800

Buyer: https://backpack.tf/profiles/76561199026390261#!/compare/1700092800/1700179200

Sale #10

Only 4 keys + 0.44 refined trace when using keys leaving buyer's side, incomplete-

Seller: https://backpack.tf/profiles/76561199026390261#!/compare/1700092800/1700179200

Buyer: https://backpack.tf/profiles/76561198091502579#!/compare/1700092800/1700179200

MP.TF Sale #1

Sold for $99.99 on October 9, 2023

Average Key Price @ $2.03ish

99.99/2.03 = 49.25ish keys

https://backpack.tf/item/11091090853

https://marketplace.tf/items/tf2/31200;5;u223

Sales @ 34, 49, 52

Taking 49-52 here :3